Intragastric Balloon Implantation Device with Lateral Release Sheath
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Solution Overview
Problem
Current methods for implanting inflatable intragastric balloons in the stomach lack precise positioning and easy detachment mechanisms, making it difficult to ensure correct placement and monitoring during obesity treatment.
Innovation Solution
A device with a sheath and catheter system that allows for simplified detachment and controlled release of the intragastric balloon, featuring a lateral opening for directing the balloon towards the stomach fundus, and a valve for fluid control, ensuring accurate positioning and inflation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a gastric tube is used to position the intragastric balloon inside the stomach, then the balloon can be inserted, but the positioning of the balloon in the stomach is not simple and precise
Solution Approach 1:
The device is divided into distinct functional segments: the sheath for insertion, the inflation chamber for balloon expansion, and the release mechanism for detachment. This segmentation allows each component to perform its specific function efficiently, enabling precise positioning through the sheath's guidance while maintaining operational simplicity through automated inflation and release mechanisms
Solution Approach 2:
The sheath acts as an intermediary tool that guides the deflated balloon to the stomach and provides a controlled environment for inflation. The bearing surface within the sheath serves as an intermediary mechanism that automatically positions the balloon during inflation, eliminating the need for complex manual positioning techniques
2Reliability
If the intragastric balloon is detached from the canal after inflation, then the balloon is implanted in the stomach, but there is no system to monitor the dissociation and ensure correct positioning
Solution Approach 1:
The device incorporates visual feedback mechanisms through transparent or radiopaque portions of the sheath and balloon, allowing real-time monitoring of balloon inflation and positioning. The bearing surface design provides mechanical feedback that ensures proper balloon orientation during inflation, confirming correct positioning without requiring complex external monitoring systems
Solution Approach 2:
The bearing surface automatically guides the balloon into the correct position during inflation without requiring external intervention or complex monitoring systems. The device performs self-positioning through its mechanical design, ensuring reliable implantation while maintaining system simplicity
3Manufacturing precision
If the balloon is inflated using fluid delivered through the channel, then the balloon expands, but there is no control mechanism for precise inflation and positioning
Solution Approach 1:
The sheath is pre-configured with a bearing surface and defined cavity dimensions that automatically guide the balloon into the correct position during inflation. The inflation channel is pre-positioned to deliver fluid at the optimal location, eliminating the need for complex active control mechanisms while achieving precise inflation and positioning
Solution Approach 2:
The device uses its own structural features (cavity dimensions, bearing surface geometry, channel positioning) to automatically control inflation precision. The balloon self-positions against the bearing surface during inflation, providing precise positioning and inflation control through passive mechanical means rather than active control systems
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Facilitates precise placement and detachment of the intragastric balloon in the stomach, optimizing positioning and maintaining the balloon in an inflated state within the stomach, reducing the risk of lesions and improving treatment efficacy.
Implementation Method 1
the catheter being slidably mounted relative to the sheath and comprising a proximal end configured to be supplied with fluid and a distal end, the distal end comprising the tip
Implementation Method 2
The intragastric balloon is then inflated using saline, air, or a mixture of both, delivered through the channel
Data Source
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AI summary
A device for implanting an inflatable intra-gastric balloon for implanting the intra-gastric balloon into a stomach, comprising: - an elastically deformable sheath configured to receive the intra-gastric balloon in the deflated state, the sheath comprising a side wall, - a tube configured to be supplied with a fluid and to cause the fluid to inflate the intra-gastric balloon, the tube comprising a mouthpiece, the intra-gastric balloon being attached to the mouthpiece in the deflated state and being detached from the mouthpiece in the inflated state, the mouthpiece having an inflation position wherein the mouthpiece extends in the cavity of the sheath, and the side wall of the sheath having a side opening configured to release the intra-gastric balloon from the cavity when the intra-gastric balloon moves from the deflated state to the inflated state.